Aprilaire 8554 owner manual 110-792B 7/12/01 828 AM

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110-792B 7/12/01 8:28 AM Page 6

Step 3: Press the CLOCK button again and “12:” (hours)

and “AM” or “PM” will flash. Use the DECREASE or

INCREASE button to change the flashing symbol to the current hour making sure the hour has the proper AM or PM designation.

Step 4: Press the CLOCK button and “:00” (minutes) will

flash. Use the DECREASE or INCREASE button to change the flashing symbol to the current minute.

Step 5: Press the CLOCK button again. The clock is now set and the current time appears on the display.

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Contents Model Setting Or Changing The Weekend Program For Heating Mode Energy Star Program Information Time Schedule Setting Or Changing The Clock Important Read ALL Instructions Thoroughly110-792B 7/12/01 828 AM Setting Or Changing The Program Progressive Recovery110-792B 7/12/01 828 AM Program Schedule Setting Or Changing The Weekday Program For Heating Mode Event Setting Or Changing Weekend Program For Heating Mode Setting Or Changing Cooling Temperatures Press and release the Program button Mo Tu Reviewing Programmed Time Schedules Temperature Settings To Start Running The ProgramFor Best Performance Thermostat OperationAprilaire Model Day Programmable Thermostat Temperature Control Time Control Equipment Control Heating or cooling Setting High And Low Balance Points Using The Available Red LED Indicators Optional Settings For Additional Thermostat FeaturesAutomatically returns to the original program 110-792B 7/12/01 828 AM Power to the thermostat must be turned off See Figure Place the cover on Turn the thermostat power back on Case Of Power Failure CleaningLimited Warranty BOX 1467 MADISON, WI